]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[PATCH] synclinkmp.c: add statistics clear
authorPaul Fulghum <paulkf@microgate.com>
Fri, 9 Sep 2005 20:02:16 +0000 (13:02 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 9 Sep 2005 20:57:34 +0000 (13:57 -0700)
Add ability to clear statistics.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/char/synclinkmp.c

index d55dbf1f9e183e1c28bc08e14704e83a3c5c130e..eb31a3b865df2003b5d2f171ee6d4222818530a2 100644 (file)
@@ -2748,6 +2748,8 @@ static int startup(SLMP_INFO * info)
 
        info->pending_bh = 0;
 
+       memset(&info->icount, 0, sizeof(info->icount));
+
        /* program hardware for current parameters */
        reset_port(info);
 
@@ -2951,12 +2953,12 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount)
                printk("%s(%d):%s get_params()\n",
                         __FILE__,__LINE__, info->device_name);
 
-       COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
-       if (err) {
-               if ( debug_level >= DEBUG_LEVEL_INFO )
-                       printk( "%s(%d):%s get_stats() user buffer copy failed\n",
-                               __FILE__,__LINE__,info->device_name);
-               return -EFAULT;
+       if (!user_icount) {
+               memset(&info->icount, 0, sizeof(info->icount));
+       } else {
+               COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+               if (err)
+                       return -EFAULT;
        }
 
        return 0;